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Home >> Ford >> 2015 >> Explorer Limited, 3.5L Eng VIN 8, AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) >> Diagnostic Trouble Code (DTC) Charts and Descriptions >> P0452 - Evaporative Emission System Pressure Sensor/Switch Low - DTC Chart

P0452 - Evaporative Emission System Pressure Sensor/Switch Low - DTC Chart

P0452 - EVAPORATIVE EMISSION SYSTEM PRESSURE SENSOR/SWITCH LOW - DTC CHART

Description:  This DTC sets when the fuel tank pressure (FTP) sensor signal average drops below a minimum allowable calibrated parameter.
Possible Causes: 
  • Contamination internal to the FTP sensor connector
  • FTP circuit open
  • VREF circuit open
  • FTP circuit short to ground
  • FTP circuit short to SIGRTN
  • Damaged FTP sensor
Diagnostic Aids:  An FTP voltage PID reading less than 0.22 volt in ignition ON, engine OFF or ignition ON, engine running indicates a concern is present.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test HX .
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